webkit/appcache/web_application_cache_host_impl.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef WEBKIT_APPCACHE_WEB_APPLICATION_CACHE_HOST_IMPL_H_
   6 #define WEBKIT_APPCACHE_WEB_APPLICATION_CACHE_HOST_IMPL_H_
   7
   8 #include <string>
   9
  10 #include "googleurl/src/gurl.h"
  11 #include "third_party/WebKit/Source/Platform/chromium/public/WebURLResponse.h"
  12 #include "third_party/WebKit/Source/Platform/chromium/public/WebVector.h"
  13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebApplicationCacheHostClient.h"
  14 #include "webkit/appcache/appcache_interfaces.h"
  15 #include "webkit/storage/webkit_storage_export.h"
  16
  17 namespace WebKit {
  18 class WebFrame;
  19 }
  20
  21 namespace appcache {
  22
  23 class WEBKIT_STORAGE_EXPORT WebApplicationCacheHostImpl
  24     : NON_EXPORTED_BASE(public WebKit::WebApplicationCacheHost) {
  25  public:
  26   // Returns the host having given id or NULL if there is no such host.
  27   static WebApplicationCacheHostImpl* FromId(int id);
  28
  29   // Returns the host associated with the current document in frame.
  30   static WebApplicationCacheHostImpl* FromFrame(const WebKit::WebFrame* frame);
  31
  32   WebApplicationCacheHostImpl(WebKit::WebApplicationCacheHostClient* client,
  33                               AppCacheBackend* backend);
  34   virtual ~WebApplicationCacheHostImpl();
  35
  36   int host_id() const { return host_id_; }
  37   AppCacheBackend* backend() const { return backend_; }
  38   WebKit::WebApplicationCacheHostClient* client() const { return client_; }
  39
  40   virtual void OnCacheSelected(const appcache::AppCacheInfo& info);
  41   void OnStatusChanged(appcache::Status);
  42   void OnEventRaised(appcache::EventID);
  43   void OnProgressEventRaised(const GURL& url, int num_total, int num_complete);
  44   void OnErrorEventRaised(const std::string& message);
  45   virtual void OnLogMessage(LogLevel log_level, const std::string& message) {}
  46   virtual void OnContentBlocked(const GURL& manifest_url) {}
  47
  48   // WebApplicationCacheHost methods
  49   virtual void willStartMainResourceRequest(WebKit::WebURLRequest&,
  50                                             const WebKit::WebFrame*);
  51   virtual void willStartSubResourceRequest(WebKit::WebURLRequest&);
  52   virtual void selectCacheWithoutManifest();
  53   virtual bool selectCacheWithManifest(const WebKit::WebURL& manifestURL);
  54   virtual void didReceiveResponseForMainResource(const WebKit::WebURLResponse&);
  55   virtual void didReceiveDataForMainResource(const char* data, int len);
  56   virtual void didFinishLoadingMainResource(bool success);
  57   virtual WebKit::WebApplicationCacheHost::Status status();
  58   virtual bool startUpdate();
  59   virtual bool swapCache();
  60   virtual void getResourceList(WebKit::WebVector<ResourceInfo>* resources);
  61   virtual void getAssociatedCacheInfo(CacheInfo* info);
  62
  63  private:
  64   enum IsNewMasterEntry {
  65     MAYBE,
  66     YES,
  67     NO
  68   };
  69
  70   WebKit::WebApplicationCacheHostClient* client_;
  71   AppCacheBackend* backend_;
  72   int host_id_;
  73   appcache::Status status_;
  74   WebKit::WebURLResponse document_response_;
  75   GURL document_url_;
  76   bool is_scheme_supported_;
  77   bool is_get_method_;
  78   IsNewMasterEntry is_new_master_entry_;
  79   appcache::AppCacheInfo cache_info_;
  80   GURL original_main_resource_url_;  // Used to detect redirection.
  81   bool was_select_cache_called_;
  82 };
  83
  84 }  // namespace
  85
  86 #endif  // WEBKIT_APPCACHE_WEB_APPLICATION_CACHE_HOST_IMPL_H_